/**
 * Tencent is pleased to support the open source community by making KOALA available.
 * Copyright (C) 2014 THL A29 Limited, a Tencent company. All rights reserved.
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
 */


/**
 * project management
 */

'use strict';

//require lib
var fs                = require('fs'),
    path              = require('path'),
    storage           = require('../../storage.js'),
    projectManager    = require('../../projectManager.js'),
    jadeManager       = require('../../jadeManager.js'),
    il8n              = require('../../il8n.js'),
    $                 = global.jQuery,
    document          = global.mainWindow.window.document;

/**
 * add project
 * @param {String} dir directory path
 */
function addProject (dir) {
    var loading = $.koalaui.loading();
    //check project exists
    var projectExists = projectManager.checkProjectExists(dir);
    if (projectExists.exists) {
        $.koalaui.confirm(il8n.__('This folder has been added, whether you want to add it as a new project?'), function () {
            add();
        }, function () {
            $('#' + projectExists.id).trigger('click');
            loading.hide();
            return false;
        });

    } else {
        add();
    }

    function add () {
        setTimeout(function () {
            projectManager.addProject(dir, function (item) {
                var folderHtml = jadeManager.renderFolders([item]);
                $('#folders').append(folderHtml);

                loading.hide();
                $('#addprojecttips').hide();
                $('#folders li:last').trigger('click');
            });
        }, 1);
    }
}

/**
 * add file item into the current project
 * @param {Array} filelist file array
 * @param {Number} pid  current project id
 */
function addFileItem (filelist, pid) {
    var loading = $.koalaui.loading();
    setTimeout(function () {
        projectManager.addFileItem(filelist, pid, function (newFiles) {
            if (newFiles.length > 0) appendNewFilesHtml(newFiles);
            loading.hide();
        });
    }, 1);
}

/**
 * append new file item html
 * @param  {Array} newFiles new files
 */
function appendNewFilesHtml (newFiles) {
    var htmlElements = $(jadeManager.renderFiles(newFiles));
        htmlElements.addClass('new').prependTo('#files ul');
        //animation
        setTimeout(function () {
            htmlElements.removeClass('new');
        }, 100);
}

$('#addDirectory').bind('click', function () {
    $('#ipt_addProject').trigger('click');
});
$('#ipt_addProject').bind('change', function () {
    addProject($(this).val());
    $(this).val('')
});

//drag folder to window
global.mainWindow.window.ondrop = function (e) {
    e.preventDefault();
    return false;
};
global.mainWindow.window.ondragover = function (e) {
    e.preventDefault();
    return false;
};

(function bindDragEvents () {
    $('html')[0].ondrop = function (e) {
        var items = e.dataTransfer.files;

        // install language pack
        if (items.length === 1 && path.extname(items[0].name) === '.koala-locales') {
            require('../../localesManager.js').install(items[0].path);
            return false;
        }

        // install extension pack
        if (items.length === 1 && path.extname(items[0].name) === '.koala-compiler') {
            require('../../compilersManager.js').install(items[0].path);
            return false;
        }

        // add project
        var dirs = [],
            files = [],
            activeProjectSrc = $('#projects .active').data('src'),
            pid = $('#projects .active').data('id'),
            inProjetFolder;

        for (var i = 0; i < items.length; ++i) {
            var itemPath = items[i].path;

            //get dirs
            if (fs.statSync(itemPath).isDirectory()) {

                dirs.push(itemPath);
                if (itemPath.indexOf(activeProjectSrc) > -1 && itemPath !== activeProjectSrc) {
                    inProjetFolder = true;
                }

            } else {
                if (!activeProjectSrc) {
                    continue;
                }
                //get files
                if (itemPath.indexOf(activeProjectSrc) > -1) {
                    files.push(itemPath);
                    inProjetFolder = true;
                }
            }
        }

        //drag items is in active project
        if (inProjetFolder) {
            //add files to active project
            dirs.forEach(function (item) {
                files = files.concat(projectManager.walkDirectory(item));
            });

            addFileItem(files, pid);

        } else if (dirs.length) {
            //create new project
            dirs.forEach(function (item) {
                addProject(item);
            });
        } else {
            $.koalaui.tooltip('warn',il8n.__('Please select a folder.'))
        }
    }
})();

//delete project
$('#folders').bind('deleteItem', function (event, deleteId) {
    var activeProjectElem = $('#' + deleteId);

    if (!activeProjectElem[0]) {
        return false;
    }

    var id = activeProjectElem.data('id');

    projectManager.deleteProject(id, function () {
        //show next project
        var nextItem;
        if (activeProjectElem.next().length > 0) {
            nextItem = activeProjectElem.next()
        }
        if (activeProjectElem.prev().length > 0) {
            nextItem = activeProjectElem.prev()
        }

        if (nextItem) {
            nextItem.trigger('click');
        } else {
            $('#files ul').html('');
            $('#addprojecttips').show();
        }

        //delete dom
        activeProjectElem.remove();
    });
});

//update project file list
$('#refresh').click(function () {
    var id = global.activeProject;

    if (!id) return false;

    var loading = $.koalaui.loading(),
        refreshBtn = $(this);

    refreshBtn.addClass('disable');

    projectManager.refreshProjectFileList(id, function (invalidFileIds, newFiles) {
        if (invalidFileIds.length > 0) {
            invalidFileIds.forEach(function (item) {
                $('#' + item).remove();
            });
        }

        if (newFiles.length > 0) {
            appendNewFilesHtml(newFiles);
        }

        refreshBtn.removeClass('disable');

        loading.hide();
        $.koalaui.tooltip('success', il8n.__('x new file', newFiles.length));
    });
});

//change project name
$(document).on('blur', '#folders .changeName', function () {
    var self = $(this),
        name = self.val(),
        target = self.parent(),
        id = target.attr('id');

    if (!name.trim()) {
        name = storage.getProjects()[id].name;
    }

    storage.getProjects()[id].name = name;
    storage.updateJsonDb();
    target.html(name);
});
$(document).on('keyup', '#folders .changeName', function (e) {
    if (e.which === 13) $(this).trigger('blur');
});
